qwen-3-5-plus-hosted-397b-a17bQwen 3.5 Plus (hosted 397B-A17B) is Alibaba’s AI model, released Feb 16, 2026.
Scores on standardized evaluations. Higher is better — and rank shows where Qwen 3.5 Plus (hosted 397B-A17B) lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Factual accuracy & hallucination
Human-rated web development
Olympiad-qualifier math
Research-level math problems
Hardest research math
Multi-step agentic tasks
Qwen 3.5 Plus (hosted 397B-A17B) is a Qwen-family AI model, from Alibaba, released Feb 16, 2026.
Qwen 3.5 Plus (hosted 397B-A17B) is an AI model developed by Alibaba, part of the Qwen family, released Feb 16, 2026.
On standardized evaluations tracked by Epoch AI, Qwen 3.5 Plus (hosted 397B-A17B) scores 84.8% on GPQA Diamond, 1399 on WebDev Arena, 86.7% on AIME 2024/2025.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 4, 2026.